Txhawm rau kom ua tiav thiab tswj hwm tus txheej txheem siab, peb tau siv cov txheej txheem tswj kev ua haujlwm kom tsis txhob muaj qhov yuam kev thaum peb tsim khoom.
Cov txheej txheem tsim khoom nruj thiab kev tswj xyuas zoo tau ua tiav hauv txhua qhov khoom lag luam los ntawm peb cov khoom siv thiab QC cov neeg kom paub tseeb tias tsuas yog cov khoom tsim nyog tuaj yeem xa tuaj rau peb cov neeg siv khoom.
